1973 Opel Kadett vs. 1993 Opel Calibra
To start off, 1993 Opel Calibra is newer by 20 year(s). Which means there will be less support and parts availability for 1973 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1973 Opel Kadett would be higher. At 1,998 cc (4 cylinders), 1993 Opel Calibra is equipped with a bigger engine. In terms of performance, 1993 Opel Calibra (115 HP @ 5200 RPM) has 68 more horse power than 1973 Opel Kadett. (47 HP @ 5600 RPM) In normal driving conditions, 1993 Opel Calibra should accelerate faster than 1973 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1993 Opel Calibra weights approximately 434 kg more than 1973 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1993 Opel Calibra (173 Nm @ 2600 RPM) has 102 more torque (in Nm) than 1973 Opel Kadett. (71 Nm @ 2700 RPM). This means 1993 Opel Calibra will have an easier job in driving up hills or pulling heavy equipment than 1973 Opel Kadett.
Compare all specifications:
| 1973 Opel Kadett | 1993 Opel Calibra | |
| Make | Opel | Opel |
| Model | Kadett | Calibra |
| Year Released | 1973 | 1993 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1078 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 47 HP | 115 HP |
| Engine RPM | 5600 RPM | 5200 RPM |
| Torque | 71 Nm | 173 Nm |
| Torque RPM | 2700 RPM | 2600 RPM |
| Engine Bore Size | 72.1 mm | 86 mm |
| Engine Stroke Size | 61 mm | 86 mm |
| Engine Compression Ratio | 8.8:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 760 kg | 1194 kg |
| Vehicle Length | 4190 mm | 4500 mm |
| Vehicle Width | 1590 mm | 1700 mm |
| Vehicle Height | 1420 mm | 1610 mm |
| Wheelbase Size | 2400 mm | 2610 mm |
